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Finding the Fourth Proportional to 17,071.70, 25,621.95 and 8,314.10

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Solution

The fourth proportional to 17,071.70, 25,621.95 and 8,314.10 is: 12,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,071.70 : 25,621.95 = 8,314.10 : x
  2. Step 2: Convert to fraction form
    17,071.70/25,621.95 = 8,314.10/x
  3. Step 3: Cross multiply
    17,071.70x = 25,621.95 × 8,314.10
  4. Step 4: Simplify right side
    17,071.70x = 213,023,454.50
  5. Step 5: Solve for x
    x = 213,023,454.50/17,071.70
  6. Step 6: Final answer
    x = 12,478.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.